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Fix for PR 16299: Do not assume that bad relocations always have an associated symbol.

This commit is contained in:
Nick Clifton 1998-10-07 21:10:16 +00:00
parent 9d1b068967
commit 644a26542c
2 changed files with 42 additions and 29 deletions
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5
gas/ChangeLog
View File

@ -1,3 +1,8 @@
Wed Oct 7 14:09:14 1998 Nick Clifton <nickc@cygnus.com>
* config/tc-d30v.c (md_apply_fix3): Do not assume that bad
relocations are always associated with a symbol.
Tue Oct 6 09:31:15 1998 Catherine Moore <clm@cygnus.com>
* tc-sparc.h (TC_FORCE_RELOCATION): Define.

66
gas/config/tc-d30v.c
View File

@ -759,13 +759,14 @@ write_2_short (opcode1, insn1, opcode2, insn2, exec_type, fx)
if (exec_type == EXEC_SEQ
&& (opcode1->op->flags_used & (FLAG_JMP | FLAG_JSR))
&& ((opcode1->op->flags_used & FLAG_DELAY) == 0)
&& ((opcode1->ecc == ECC_AL) || ! Optimizing))
{
/* Unconditional branches kill instructions in the right bin.
Conditional branches don't always but if we are not
optimizing, then we want to produce an error about such
constructs. For the purposes of this test, subroutine
calls are considered to be branches. */
/* Unconditional, non-delayed branches kill instructions in
the right bin. Conditional branches don't always but if
we are not optimizing, then we have been asked to produce
an error about such constructs. For the purposes of this
test, subroutine calls are considered to be branches. */
write_1_short (opcode1, insn1, fx->next, false);
return 1;
}
@ -799,10 +800,11 @@ write_2_short (opcode1, insn1, opcode2, insn2, exec_type, fx)
}
}
else if (opcode1->op->flags_used & (FLAG_JMP | FLAG_JSR)
&& ((opcode1->op->flags_used & FLAG_DELAY) == 0)
&& ((opcode1->ecc == ECC_AL) || ! Optimizing))
{
/* We must emit branch type instruction on its own with
nothing in the right container. */
/* We must emit (non-delayed) branch type instructions
on their own with nothing in the right container. */
write_1_short (opcode1, insn1, fx->next, false);
return 1;
}
@ -1725,26 +1727,25 @@ md_pcrel_from_section (fixp, sec)
int
md_apply_fix3 (fixp, valuep, seg)
fixS *fixp;
valueT *valuep;
fixS * fixp;
valueT * valuep;
segT seg;
{
char *where;
char * where;
unsigned long insn, insn2;
long value;
if (fixp->fx_addsy == (symbolS *) NULL)
{
value = *valuep;
value = * valuep;
fixp->fx_done = 1;
}
else if (fixp->fx_pcrel)
{
value = *valuep;
}
value = * valuep;
else
{
value = fixp->fx_offset;
if (fixp->fx_subsy != (symbolS *) NULL)
{
if (S_GET_SEGMENT (fixp->fx_subsy) == absolute_section)
@ -1765,23 +1766,30 @@ md_apply_fix3 (fixp, valuep, seg)
switch (fixp->fx_r_type)
{
case BFD_RELOC_8:
/* Caused by a bad .byte directive. */
as_fatal (_("line %d: unable to place address of symbol '%s' into a byte"),
fixp->fx_line, S_GET_NAME (fixp->fx_addsy));
break;
case BFD_RELOC_8: /* Caused by a bad .byte directive. */
/* Drop trhough. */
case BFD_RELOC_16:
/* Caused by a bad .short directive. */
as_fatal (_("line %d: unable to place address of symbol '%s' into a short"),
fixp->fx_line, S_GET_NAME (fixp->fx_addsy));
break;
case BFD_RELOC_16: /* Caused by a bad .short directive. */
/* Drop through. */
case BFD_RELOC_64:
/* Caused by a bad .quad directive. */
as_fatal (_("line %d: unable to place address of symbol '%s' into a .quad"),
fixp->fx_line, S_GET_NAME (fixp->fx_addsy));
break;
case BFD_RELOC_64: /* Caused by a bad .quad directive. */
{
char * size;
size = (fixp->fx_r_type == BFD_RELOC_8) ? _("byte")
: (fixp->fx_r_type == BFD_RELOC_16) ? _("short")
: _("quad");
if (fixp->fx_addsy == NULL)
as_bad (_("line %d: unable to place address into a %s"),
fixp->fx_line, size);
else
as_bad (_("line %d: unable to place address of symbol '%s' into a %s"),
fixp->fx_line,
S_GET_NAME (fixp->fx_addsy),
size);
break;
}
case BFD_RELOC_D30V_6:
check_size (value, 6, fixp->fx_file, fixp->fx_line);